Gree GUD35T1/A-S Owner's Manual
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Gree GUD35T1/A-S Owner's Manual

Gree GUD35T1/A-S Owner's Manual

Dc inverter u-match series cassette type unit
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Owner's Manual
Original Instructions
Air Conditioners
DC Inverter U-match Series Cassette Type Unit
Models:
Indoor Unit
GUD35T1/A-S
GUD50T1/A-S
GUD50T1/A1-S
GUD71T1/A-S
GUD100T1/A-S
GUD125T1/A-S
GUD140T1/A-S
Outdoor Unit
GUD35W1/NhA-S
GUD50W1/NhA-S
GUD50W1/NhA-S
GUD71W1/NhA-S
GUD100W1/NhA-S
GUD125W1/NhA-S
GUD140W1/NhA-X
GUD100W1/NhA-X
GUD125W1/NhA-X

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Summary of Contents for Gree GUD35T1/A-S

  • Page 1 Owner's Manual Original Instructions Air Conditioners DC Inverter U-match Series Cassette Type Unit Models: Indoor Unit Outdoor Unit GUD35T1/A-S GUD35W1/NhA-S GUD50T1/A-S GUD50W1/NhA-S GUD50T1/A1-S GUD50W1/NhA-S GUD71T1/A-S GUD71W1/NhA-S GUD100T1/A-S GUD100W1/NhA-S GUD100W1/NhA-X GUD125T1/A-S GUD125W1/NhA-S GUD125W1/NhA-X GUD140T1/A-S GUD140W1/NhA-X...
  • Page 2 To Users Thank you for selecting Gree product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve...
  • Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: Damage the product due to improper use or misuse of the product. Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer.

  • Page 4: Table Of Contents

    Contents 1 Safety Notices (Please be sure to abide them) ....1 2 Installation ................5 2.1 Installation Preparation ............5 2.2 Unit Installation ..............16 2.3 Electrical Installation ............. 36 2.4 Check after Installation ............45 2.5 Product Operating Range ............. 45 2.6 Test Running .................

  • Page 5: Safety Notices (Please Be Sure To Abide Them)

    DC Inverter U-match Series Cassette Type Unit 1 Safety Notices (Please be sure to abide them) SPECIAL WARNING: Be sure to comply with national gas regulations. Do not pierce or burn. Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
  • Page 6 DC Inverter U-match Series Cassette Type Unit Before installing the air conditioner, please read the instruction manual. Before repairing the air conditioner, please read the instruction manual. The figures in this manual may be different with the material objects, please refer to the material objects for reference.
  • Page 7 DC Inverter U-match Series Cassette Type Unit WARNING! (8) During installation, use the specialized accessories and components, otherwise water leakage, electric shock or fire hazard may occur. (9) Please install the air conditioner in a secure place that can withstand the weight of air conditioner.
  • Page 8 DC Inverter U-match Series Cassette Type Unit NOTES! (1) Do not put a finger or other objects into the air inlet or air return grill. (2) Please adopt safety protection measures before touching the refrigerant pipe, otherwise your hands may be hurt. (3) Please arrange the drain pipe according to the instruction manual.

  • Page 9: Installation

    DC Inverter U-match Series Cassette Type Unit 2 Installation 2.1 Installation Preparation 2.1.1 Notice on Installation Notice on Refrigerant Concentration before Installation. This air conditioner uses R32 refrigerant. The construction area for installation, operation and storage of the air conditioner must be larger than the minimum construction area.
  • Page 10 DC Inverter U-match Series Cassette Type Unit Ceiling type Wall mounted type Floor standing type Weight Area Weight Area Weight Area (kg) (m²) (kg) (m²) (kg) (m²) 6.54 9.76 87.9 7.38 11.0 99.2 8.27 12.4 9.22 13.8 10.2 15.3 11.3 16.8 12.4 18.5...
  • Page 11 DC Inverter U-match Series Cassette Type Unit Please use the charging machine specialized for R32 refrigerant before charging, keep the refrigerant tank in an upright position. After charging, stick a label on the air conditioner saying no excessive charging. The following tools will be used: 1) Liquid-level gauge; 2) Screwdriver; 3) Electric driven rotary hammer;...
  • Page 12 DC Inverter U-match Series Cassette Type Unit be at least 1m from television and radio. This is to prevent image interference or noise (Even at a distance of 1m, a very strong electric wave may still generate noise). Selection of Installation Location for Outdoor Unit (Select a location pursuant to the following condition).
  • Page 13 DC Inverter U-match Series Cassette Type Unit Indoor Unit GUD35T1/A-S; GUD50T1/A1-S Unit: mm Dimensions Model GUD35T1/A-S GUD50T1/A1-S...
  • Page 14 DC Inverter U-match Series Cassette Type Unit GUD50T1/A-S, GUD71T1/A-S, GUD100T1/A-S, GUD125T1/A-S, GUD140T1/A-S Unit：mm Dimensions Model GUD50T1/A-S GUD71T1/A-S GUD100T1/A-S GUD125T1/A-S GUD140T1/A-S...
  • Page 15 DC Inverter U-match Series Cassette Type Unit NOTES! (1) Drilling of ceiling opening and installation of air conditioner must be performed by professionals! (2) Please refer to the installation cardboard for the dimension of drilling hole of lifting screw of cassette unit. Outdoor Unit GUD35W1/NhA-S, GUD50W1/NhA-S, GUD71W1/NhA-S, GUD100W1/NhA-S, GUD100W1/NhA-X, GUD125W1/NhA-S, GUD125W1/NhA-X, GUD140W1/NhA-X...
  • Page 16 DC Inverter U-match Series Cassette Type Unit 2.1.4 Diagram of Unit Installation Space and Location Diagram of installation space and location for outdoor unit (Notice: for best performance of the outdoor unit, make sure its installation space conforms to the following installation dimensions). When one outdoor unit is to be installed.
  • Page 17 DC Inverter U-match Series Cassette Type Unit When two or more outdoor units are to be installed side by side. Unit:mm (mm) ≥300 ≥300 ≥1000 A,B,C — — — ≥300 ≥300 ≥1000 ≥1000 A,B,C,E — — ≥2000 — — — —...
  • Page 18 DC Inverter U-match Series Cassette Type Unit When outdoor units are installed in rows. Unit:mm (mm) ≤1/2H b≥250 ≤H b≥300 1/2H<H >H Prohibited...
  • Page 19 When outdoor units are installed one above another. Unit:mm Diagram of installation location and space for indoor unit (Notice: for the best performance of indoor unit, make sure its installation space conforms to the following installation dimensions). Unit:mm Model H(mm) GUD35T1/A-S GUD50T1/A1-S GUD50T1/A-S GUD71T1/A-S GUD100T1/A-S GUD125T1/A-S GUD140T1/A-S...

  • Page 20: Unit Installation

    DC Inverter U-match Series Cassette Type Unit 2.2 Unit Installation 2.2.1 Indoor Unit Installation In order to make the front panel cover 20mm of the ceiling, the distance between the ceiling and the unit should be 35mm or less. If the distance between the ceiling and the unit is above 35mm, add some ceiling material to shorten the distance.
  • Page 21 DC Inverter U-match Series Cassette Type Unit (2) Installing the Main Body Unit. 1) Install the hoisting stand on the hoisting screw by using nuts and gaskets at both the upper and lower sides of the hoisting stand. To prevent the gasket from breaking off, a gasket anchor board can be helpful.
  • Page 22 DC Inverter U-match Series Cassette Type Unit 2.2.1.2 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below. 2.2.2 Outdoor Unit Installation If the outdoor unit is installed on a solid ground such as concrete, use M10 screw bolts and nuts to secure the unit and make sure the unit stands erect and level.
  • Page 23 DC Inverter U-match Series Cassette Type Unit 2.2.3 Connection Pipe Installation 2.2.3.1 Installation Notice and Requirement on Connection Pipe Installation of Ordinary Nut and Tamperproof box. Unfold the connecting pipe and bend the connecting pipe according to the required length. Open the nut cover on the indoor unit’s pipe and align the conical mouth of the connecting pipe with the center of the indoor unit’s pipe.
  • Page 24 Item Pipe(inch) Maximum between pipe length indoor and Liquid Model outdoor units Gas pipe pipe Φ3/8 GUD35T1/A-S Ф1/4 GUD50T1/A1-S Φ1/2 GUD50T1/A-S GUD71T1/A-S GUD100T1/A-S Φ3/8 Φ5/8 GUD125T1/A-S GUD140T1/A-S Connection pipe should adopt water-proof insulating material. Its wall thickness should be 0.5-1.0mm and the pipe wall should be able to withstand 6.0MPa. The longer the connection pipe is, the worse cooling and heating performance it has.
  • Page 25 DC Inverter U-match Series Cassette Type Unit Outdoor unit is above the indoor unit. It’s necessary to add oil return bend and non-return bend at the lowest and highest position of the vertical pipe, as shown below: Dimensions for the making of oil return bend are as follows: A(inch) B(mm) C(mm)
  • Page 26 DC Inverter U-match Series Cassette Type Unit Remove the cut-off valve of outdoor unit and take out the flare nut from the bag of indoor unit accessories. Then fit the flare nut on the pipe and use a flaring tool to flare the mouth of connection pipe. Check whether the flaring part has cracked (see the figure below).
  • Page 27 DC Inverter U-match Series Cassette Type Unit 2.2.3.4 Connection Pipe of Indoor and Outdoor Units NOTES! (1) Connect the pipe to the unit. Please follow the instructions stated in the figures below. Use both spanner and torque wrench. (2) When connecting the tapered screw nut, first apply chilled machine oil on its inner and outer surface and then screw it up for 3~4 circles.
  • Page 28 DC Inverter U-match Series Cassette Type Unit Pipe diameter (inch) Tightening torque (N·m) Ф1/4 15-30 Ф3/8 35-40 Ф1/2 45-50 Ф5/8 60-65 Ф3/4 70-75 Ф7/8 80-85 Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve. The method of screwing the flare nut is the same with that for indoor unit.
  • Page 29 Meanwhile, the switch at the high pressure side of the manifold valve assembly should be kept closed, otherwise evacuation would fail. The evacuation duration depends on the unit’s capacity generally. Model Time(min) GUD35T1/A-S GUD50T1/A-S GUD50T1/A1-S GUD71T1/A-S GUD100T1/A-S GUD125T1/A-S...
  • Page 30 DC Inverter U-match Series Cassette Type Unit NOTE: For large-size units, there are maintenance ports for liquid valve and gas valve. During evacuation, you may connect the two hoses of the branch valve assembly to the maintenance ports to speed up the evacuation. 2.2.4.2 Leak Detection Methods The following leak detection methods are deemed acceptable for systems containing flammable refrigerants.
  • Page 31 DC Inverter U-match Series Cassette Type Unit 2.2.5 Refrigerant Adding NOTE! Before and during operation, use an appropriate refrigerant leak detector to monitor the operation area and make sure the technicians can be well aware of any potential or actual leakage of inflammable gas. Make sure the leak detecting device is applicable to inflammable refrigerant.
  • Page 32 DC Inverter U-match Series Cassette Type Unit (3) Keep piping as short as possible and slope it downwards at a gradient of at least 1/100 so that air may not remain trapped inside the pipe. (4) If the drain pipe can’t be installed at a proper inclination, then add drain lift pipe.
  • Page 33 Grey tape pipe. ① Metal clamp ② Insulation sponge Indoor Unit A mm GUD35T1/A-S GUD50T1/A-S GUD50T1/A1-S ≤15 GUD71T1/A-S GUD100T1/A-S GUD125T1/A-S GUD140T1/A-S 2.2.6.2 Outdoor Side Drain Pipe If the outdoor unit is underneath the indoor unit, arrange the pipeline according to the following diagram.
  • Page 34 DC Inverter U-match Series Cassette Type Unit If the outdoor unit is above the indoor unit, arrange the pipeline according to the following diagram. Wind the insulating tape from bottom to top. The whole pipeline should be wound together to avoid water returning to the room.
  • Page 35 DC Inverter U-match Series Cassette Type Unit Unit:mm If multiple drain pipes are to be converged, please install according to the following process. Make sure the main drain pipe is laid downward at a certain angle: Unit: mm NOTICE: Specifications of the converging drain pipes should be applicable to the operating capacity of the units.
  • Page 36 DC Inverter U-match Series Cassette Type Unit 2.2.6.4 Check Drainage After the pipeline work is finished, check whether the drainage can go smoothly. Add slowly about 1L of water into the water tray. After the electric circuit is completed, check the drainage condition during refrigerating operation. NOTE：Connect the wires by referring to the circuit diagram.
  • Page 37 DC Inverter U-match Series Cassette Type Unit See the following diagram for the method of water filling. Unit: mm 2.2.7 Installing the Front Panel As shown below, take off the 4 corner covers from the front panel and loose the hexagon screw bolts on the 4 fasteners to the maximum.
  • Page 38 DC Inverter U-match Series Cassette Type Unit NOTICE: (1) Improper screw looseness will lead to the following problem. (2) After the screws are tightened, if there is still a gap between the ceiling and the decorative front panel, adjust the height of the unit again (as shown below).
  • Page 39 DC Inverter U-match Series Cassette Type Unit (3) After installing the front panel, make sure there’s no gap between the unit and the front panel. (4) Circuit of the decorative front panel. (5) Connect the front panel to the main body through the corresponding slots. Match the slots according to their different size.

  • Page 40: Electrical Installation

    DC Inverter U-match Series Cassette Type Unit WARNING! After installing the panel, the insulated protective cover with the thickness of 1mm shall be used to wrap the wiring terminal, Tighten the insulated glue cover on both sides with bonding tie to fix it. 2.3 Electrical Installation 2.3.1 Requirement and Notice on Electrical Installation WARNING:...
  • Page 41 Do not change the power cables arbitrarily. Do not change the length and terminals of the power cables. If you want to change the power cables, please contact Gree’s local service center. ⑪ Wiring terminals should be connected firmly to the terminal board.
  • Page 42 DC Inverter U-match Series Cassette Type Unit NOTES: ① Fuse is located on the main board. ② Install a circuit breaker near the outdoor units with at least 3mm contact gap. The units must be able to be plugged or unplugged. ③...
  • Page 43 DC Inverter U-match Series Cassette Type Unit screw. Form a proper ring and then put it on the terminal board. Use a screwdriver to tighten up the terminal screw. For strand wires (as shown below): Use wire cutters to cut off the wire end and then peel away about 10mm of the insulation layer.
  • Page 44 The magnetic ring should be fixed reliably by cable tie. The engineering wires and buckle magnetic ring are not allowed to touch sharp edges. (Note：Only for GUD35T1/A-S, GUD50T1/A1-S units.) WARNING! Before working, please check whether the indoor and outdoor units are powered on.
  • Page 45 DC Inverter U-match Series Cassette Type Unit GUD100W1/NhA-S, GUD125W1/NhA-S, GUD35T1/A-S+GUD35W1/NhA-S GUD50T1/A1-S+GUD50W1/NhA-S GUD50T1/A-S+GUD50W1/NhA-S ① Power cords 3×1.5mm² ② Power cords 4×1.0mm² ③ Communication cords 2×0.75mm² GUD71T1/A-S+GUD71W1/NhA-S ① Power cords 3×2.5mm² ② Power cords 4×1.0mm² ③ Communication cords 2×0.75mm² GUD100T1/A-S+GUD100W1/NhA-S GUD125T1/A-S+GUD125W1/NhA-S ①...
  • Page 46 DC Inverter U-match Series Cassette Type Unit Three-phase unit: GUD100W1/NhA-X, GUD125W1/NhA-X, GUD140W1/NhA-X. GUD100T1/A-S+GUD100W1/NhA-X GUD125T1/A-S+GUD125W1/NhA-X GUD140T1/A-S+GUD140W1/NhA-X ① Power cords 5×1.5mm² ② Power cords 4×1.0mm² ③ Communication cords 2×0.75mm² Electrical wiring of indoor unit and Electrical wiring of outdoor unit. WARNING! High and low voltage wires should be led through different rubber rings of the electric box cover.
  • Page 47 DC Inverter U-match Series Cassette Type Unit Indoor side Take off the electric box cover from the sub-assembly of electric box. Then connect the wires. Connect the connection wires of indoor unit according to the corresponding marks. NOTE：Connect the wires by referring to the circuit diagram. Outdoor side Remove the big handle/front panel of the outdoor unit and insert one end of the communication cord and the power cord to the terminal...
  • Page 48 DC Inverter U-match Series Cassette Type Unit GUD100W1/NhA-S,GUD125W1/NhA-S. GUD100W1/NhA-X,GUD125W1/NhA-X, GUD140W1/NhA-X.

  • Page 49: Check After Installation

    DC Inverter U-match Series Cassette Type Unit 2.4 Check after Installation Check Items after Installation Possible events due to improper Check items installation The unit may fall down, vibrate or Is the main body installed securely? produce noise. Cooling capacity may become Did you do water leakage test? unsatisfactory.
  • Page 50 DC Inverter U-match Series Cassette Type Unit Operation after connecting the power. If all the above works are finished, power on the unit. If the outside temperature is more than 30°C, heating mode can’t be enabled. Make sure the indoor and outdoor units can run normally. If there’s sound of liquid shock when the compressor is running, then stop the air conditioner immediately.

  • Page 51: Product Introduction

    DC Inverter U-match Series Cassette Type Unit 3 Product Introduction 3.1 Overall Layout NOTE: The connection pipe, drain pipe, power cord for this unit should be prepared by the user.

  • Page 52: Standard Accessories

    DC Inverter U-match Series Cassette Type Unit 3.2 Standard Accessories Indoor Unit Accessories Name Appearance Q'ty Usage To connect with the hard Drain Hose PVC drain pipe To fix the installation Bolt with Washer paperboard on the unit Installation Used for ceiling drilling Paperboard Gasket Mounting Used to prevent gasket...

  • Page 53: Installation Of Controller

    DC Inverter U-match Series Cassette Type Unit 4 Installation of Controller Refer to the wired controller or remote controller manual. 5 Maintenance 5.1 Failures Not Caused by Faults of the AC If your air conditioner fails to function normally, please first check the following items before maintenance: Problem Cause...
  • Page 54 DC Inverter U-match Series Cassette Type Unit The following situations are not operation failures. Problem Time of occurrence Cause If the unit is running under Mist comes high humidity, the wet air in from the air During operation. the room will be quickly conditioner.

  • Page 55: Error Code

    NOTE: Check the above items and adopt the corresponding corrective measures. If the air conditioner continues to function poorly, please stop the air conditioner immediately and contact Gree’s authorized local service center. Ask our professional service staff to check and repair the unit.
  • Page 56 DC Inverter U-match Series Cassette Type Unit Error Error Error Error code code IDU jumper cap error ODU AC current protection Discharge temperature sensor Temperature drift protection error Condenser meso-temperature Driveboard ambient temperature sensor error sensor error Compressor dial code or Bus high-voltage protection jumper cap abnormal Compressor driver memory...
  • Page 57 DC Inverter U-match Series Cassette Type Unit Error Error Error Error code code Outdoor ambient temperature DC indoor fan driver module high sensor error temperature protection DC indoor fan driver module Recycling refrigerant mode temperature sensor error DC indoor fan driver memory Ordinary defrosting state chip error DC indoor fan driver charge loop...

  • Page 58: Unit Maintenance

    DC Inverter U-match Series Cassette Type Unit 5.3 Unit Maintenance NOTES! Before cleaning, please make sure the unit is stopped. Cut the circuit breaker and remove the power socket, otherwise, electric shock may occur. Do not wash the air conditioner with water, otherwise fire hazard or electric shock may occur.
  • Page 59 DC Inverter U-match Series Cassette Type Unit How to clean the air filter (4) Cleaning the filer screen Use vacuum cleaner to remove dust or rinse the filter. If the filter is very dirty (greasy), use warm water (below 45°C) with neutral detergent to clean it.
  • Page 60 “ON” status before 8h of operation, to preheat the crankcase of outdoor compressor. Check if the installation of outdoor unit is firm, if not, please contact with Gree appointed maintenance center. 5.3.6 Maintenance at the end of the Using Season Cut off the main power of air conditioner.

  • Page 61: Notice On Maintenance

    If the outdoor unit is rusty, coat the rusty location with paint to prevent it from expanding. 5.3.7 Components Replacement Components are available in Gree agency or Gree distributors nearby. 5.4 Notice on Maintenance 5.4.1 Information on Servicing The manual shall contain specific information for service personnel who shall be instructed to undertake the following when servicing an appliance that employs a flammable refrigerant.
  • Page 62 DC Inverter U-match Series Cassette Type Unit 5.4.1.5 Presence of Fire Extinguisher If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO fire extinguisher adjacent to the charging area.
  • Page 63 DC Inverter U-match Series Cassette Type Unit If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant. Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected. Refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components, unless the components are constructed of...
  • Page 64 DC Inverter U-match Series Cassette Type Unit excessive number of connections, terminals not made to original specification, damage to seals, incorrect fitting of glands, etc. Ensure that apparatus is mounted securely. Ensure that seals or sealing materials have not degraded such that they no longer serve the purpose of preventing the ingress of flammable atmospheres.
  • Page 65 DC Inverter U-match Series Cassette Type Unit Remove refrigerant. Purge the circuit with inert gas. Evacuate. Purge again with inert gas. Open the circuit by cutting or brazing. The refrigerant charge shall be recovered into the correct recovery cylinders. The system shall be “flushed” with OFN to render the unit safe. This process may need to be repeated several times.
  • Page 66 DC Inverter U-match Series Cassette Type Unit completely familiar with the equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re- use of reclaimed refrigerant.

  • Page 67: After-Sales Services

    When oil is drained from a system, it shall be carried out safely. 5.5 After-Sales Services Any quality or other issues encountered in the purchased air conditioner, please contact the local Gree after-sales service department.

This manual is also suitable for:

Gud50t1/a-sGud50t1/a1-sGud71t1/a-sGud100t1/a-sGud125t1/a-sGud140t1/a-s ... Show all

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